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Six composable primitives
call, stream, validate, tool, execute, count — combine them yourself. No hidden orchestration.
FlintSix primitives. One agent loop. No magic.
Token-efficient agentic TypeScript runtime
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Budget-aware by default
Hard caps on steps, tokens, and dollars. Every agent loop enforces them automatically.
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Streaming first
Native AsyncIterable
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Safety included
Injection detection, output redaction, permission checks, and approval gates ship in core.
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Pluggable adapters
Swap LLM providers without changing agent code. Anthropic and OpenAI-compatible adapters included.
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State machine workflows
The @flint/graph package adds typed state machine workflows with memory checkpointing.